How 12 steam shovels check slide which threatened to block main line of Pennsylvania Railroad.
Holding back the Bigelow Boulevard landslide at Pittsburgh Pa.
Excavating Engr
Excavating Engineer ; 15 , n 2
1921
2 pages
4 Figs.
Article (Journal)
English
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The Bigelow Boulevard slide at Pittsburgh
Engineering Index Backfile | 1920
|Online Contents | 2014
Online Contents | 2013
Online Contents | 2013
Online Contents | 2013